| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have not been for | 217 |
|
| 2 | have not been seen | 131 |
|
| 3 | have not seen for | 44 |
|
| 4 | not been seen for | 17 |
|
| 5 | have been seen for | 6 |
|
